Antibiotic-resistant bacteria have become a rapidly growing threat to public health. Each year, they account for more than 2.8 million infections, according to the U.S. Centers for Disease Control and Prevention. Without ...
Biochemistry
Dec 22, 2023
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Not all bacteria are created equal. Most are single-celled and tiny, a few ten-thousandths of a centimeter long. But bacteria of the Epulopiscium family are large enough to be seen with the naked eye and 1 million times the ...
Cell & Microbiology
Dec 18, 2023
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100
Scientists have revealed a never-before-seen phenomenon in a protein: Alone, the enzyme processes DNA and RNA but, when bound to another protein as part of a defense system, interacts with a completely different type of compound ...
Cell & Microbiology
Dec 13, 2023
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When entering public restrooms, it's hard not to dwell on what germs previous users have left behind in the toilet bowl. Imagine, instead, a self-cleaning system that doesn't require a brightly colored gel. Researchers reporting ...
Polymers
Nov 28, 2023
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E. coli bacteria may be far more capable of evolving antibiotic resistance than scientists previously thought, according to a new study published in Science on November 24.
Evolution
Nov 23, 2023
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72
Scientists have discovered that bacteria can create something like memories about when to form strategies that can cause dangerous infections in people, such as resistance to antibiotics and bacterial swarms when millions ...
Cell & Microbiology
Nov 21, 2023
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454
For the first time, it was shown in living cells how the bacterium E. coli regulates genes that help it survive in a new environment. Biochemist Fatema Zahra Rashid managed to do this using a technique she fine-tuned. Her ...
Cell & Microbiology
Nov 21, 2023
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Flagellated bacteria are propelled by the rotation of helical flagellar filaments, each with a flagellar motor at its base. Taking Escherichia coli (E. coli) as an example, each cell has 3–7 flagella whose rotation as a ...
Cell & Microbiology
Nov 21, 2023
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Feeding dogs raw (uncooked) meat increases their risk of excreting E. coli that cannot be killed by a widely used antibiotic—ciprofloxacin—researchers at the University of Bristol have found from a study of 600 healthy ...
Cell & Microbiology
Nov 20, 2023
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2
"What doesn't kill me makes me stronger," originally coined by Friedrich Nietzsche in 1888, is a perfect description of how bacteria develop antibiotic resistance.
Molecular & Computational biology
Nov 8, 2023
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